| /*************************************************************************/ /*! |
| @File |
| @Title PVR synchronization interface |
| @Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved |
| @Description Types for server side code |
| @License Dual MIT/GPLv2 |
| |
| The contents of this file are subject to the MIT license as set out below. |
| |
| Permission is hereby granted, free of charge, to any person obtaining a copy |
| of this software and associated documentation files (the "Software"), to deal |
| in the Software without restriction, including without limitation the rights |
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| copies of the Software, and to permit persons to whom the Software is |
| furnished to do so, subject to the following conditions: |
| |
| The above copyright notice and this permission notice shall be included in |
| all copies or substantial portions of the Software. |
| |
| Alternatively, the contents of this file may be used under the terms of |
| the GNU General Public License Version 2 ("GPL") in which case the provisions |
| of GPL are applicable instead of those above. |
| |
| If you wish to allow use of your version of this file only under the terms of |
| GPL, and not to allow others to use your version of this file under the terms |
| of the MIT license, indicate your decision by deleting the provisions above |
| and replace them with the notice and other provisions required by GPL as set |
| out in the file called "GPL-COPYING" included in this distribution. If you do |
| not delete the provisions above, a recipient may use your version of this file |
| under the terms of either the MIT license or GPL. |
| |
| This License is also included in this distribution in the file called |
| "MIT-COPYING". |
| |
| EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS |
| PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
| BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR |
| PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR |
| COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER |
| IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ /**************************************************************************/ |
| #ifndef PVRSRV_SYNC_KM_H |
| #define PVRSRV_SYNC_KM_H |
| #if defined (__cplusplus) |
| extern "C" { |
| #endif |
| |
| /*! Implementation independent types for passing fence/timeline to Services. |
| */ |
| typedef int32_t PVRSRV_FENCE; |
| typedef int32_t PVRSRV_TIMELINE; |
| |
| /*! Maximum length for an annotation name string for fence sync model objects. |
| */ |
| #define PVRSRV_SYNC_NAME_LENGTH 32 |
| |
| /*! Possible states for a PVRSRV_FENCE */ |
| typedef enum |
| { |
| PVRSRV_FENCE_NOT_SIGNALLED, /*!< fence has not yet signalled (not all components have signalled) */ |
| PVRSRV_FENCE_SIGNALLED /*!< fence has signalled (all components have signalled/errored) */ |
| } PVRSRV_FENCE_STATE; |
| |
| /* Typedefs for opaque pointers to implementation-specific structures |
| */ |
| typedef void *SYNC_TIMELINE_OBJ; |
| typedef void *SYNC_FENCE_OBJ; |
| |
| /* Macros for Kick API callers using the fence sync model |
| */ |
| #define PVRSRV_NO_CHECK_FENCE_REQUIRED -1 /*!< used when submitted work is not fenced (eg first kick) */ |
| #define PVRSRV_NO_UPDATE_TIMELINE_REQUIRED -1 /*!< used when caller does not want an update fence generated */ |
| #define PVRSRV_NO_UPDATE_FENCE_REQUIRED NULL /*!< used when caller does not want an update fence generated */ |
| |
| /* Macros for Kick API callers NOT using the fence sync model |
| */ |
| #define PVRSRV_FENCE_INTERFACE_UNUSED -1 /*!< passed in Timeline and Fence values when interface is unused */ |
| #define PVRSRV_FENCE_INTERFACE_PTR_UNUSED NULL /*!< passed in update fence parameter when interface is unused */ |
| |
| |
| /* PVRSRV Layer internal only |
| * Negative references to timelines and fences are invalid. |
| */ |
| #define PVRSRV_TIMELINE_INVALID -1 |
| #define PVRSRV_FENCE_INVALID -1 |
| |
| #if PVRSRV_NO_UPDATE_TIMELINE_REQUIRED != PVRSRV_TIMELINE_INVALID |
| #error "PVRSRV_NO_UPDATE_TIMELINE_REQUIRED must equal PVRSRV_TIMELINE_INVALID" |
| #endif |
| |
| #if PVRSRV_NO_CHECK_FENCE_REQUIRED != PVRSRV_FENCE_INVALID |
| #error "PVRSRV_NO_CHECK_FENCE_REQUIRED must equal PVRSRV_FENCE_INVALID" |
| #endif |
| |
| #if PVRSRV_FENCE_INTERFACE_UNUSED != PVRSRV_FENCE_INVALID |
| #error "PVRSRV_FENCE_INTERFACE_UNUSED must equal PVRSRV_FENCE_INVALID" |
| #endif |
| |
| |
| #if defined (__cplusplus) |
| } |
| #endif |
| #endif /* PVRSRV_SYNC_KM_H */ |
| |